Home / NFA Accessories / YHM BLACK THREAD PROTECTOR, PISTOL BARREL .45, .578-28, .650 OD View cart “SILENCERCO O-RING BOOSTER PACK” has been added to your cart. YHM BLACK THREAD PROTECTOR, PISTOL BARREL .45, .578-28, .650 OD$15.50 1 in stock [] YHM BLACK THREAD PROTECTOR, PISTOL BARREL .45, .578-28, .650 OD quantity Add to cart UPC: 816701014181 SKU: YHM-3426-B Category: NFA Accessories Product ID: 6541 You may also like… YHM BLACK THREAD PROTECTOR, PISTOL BARREL .45, .578-28, .650 OD $15.50 Add to cart Related products SILENCERCO DELTA THREAD PROTECTOR 1/2X28 $16.15 Add to cart DEAD AIR 1/2X28 THREAD PROTECTOR $18.99 Add to cart RUGGED TI FRONT CAP 7.62 $68.89 Add to cart Out of stock RADIAN RAPTOR SD-SL CHARGE HANDLE AR15/M16 $113.95 Read more